// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/test/thread_test_helper.h"

#include <utility>

#include "base/bind.h"
#include "base/location.h"
#include "base/threading/thread_restrictions.h"

namespace base {

ThreadTestHelper::ThreadTestHelper(
    scoped_refptr<SingleThreadTaskRunner> target_thread)
    : test_result_(false)
    , target_thread_(std::move(target_thread))
    , done_event_(WaitableEvent::ResetPolicy::AUTOMATIC,
          WaitableEvent::InitialState::NOT_SIGNALED)
{
}

bool ThreadTestHelper::Run()
{
    if (!target_thread_->PostTask(
            FROM_HERE, base::Bind(&ThreadTestHelper::RunInThread, this))) {
        return false;
    }
    base::ThreadRestrictions::ScopedAllowWait allow_wait;
    done_event_.Wait();
    return test_result_;
}

void ThreadTestHelper::RunTest() { set_test_result(true); }

ThreadTestHelper::~ThreadTestHelper() { }

void ThreadTestHelper::RunInThread()
{
    RunTest();
    done_event_.Signal();
}

} // namespace base
